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Cart and checkout apps fail to activate after install

Shopify cart and checkout apps show an error or never activate right after installation, before merchants can use any feature

Tier I · Proven The best-established problems.

6 public reports · first reported 5 July 2016 · last reported 18 November 2025

Idea report · $19 · No contacts · All sales final

See a sample idea report

What's going wrong

Merchants installing Shopify cart, upsell and checkout apps report that the app shows an application error or never finishes activating right after installation, so no feature becomes usable.

AI-assisted: written with the help of AI from the reports. The idea report has the full summary.

In the idea report

  • The full summary.
  • The products the 6 reports are about, and how many came each month.
  • Related problems.

No business has been found with this problem yet, so the report has no contacts. All sales are final — no refunds. Pricing.